{
    "countries": [
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           "country": "Russian Empire",
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                    ]
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                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
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                    ]
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                {
                    "name": "Coated paper verge",
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                        "thick",
                        "thin"
                    ],
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                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
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                    ]
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                {
                    "name": "Bleached paper",
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                        "cardboard",
                        "thick",
                        "tinted",
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                        "thin",
                        "cotton"
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                    "0,091-0.11 mm",
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                    ]
                },
                {
                    "name": "Lightly coated paper",
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                        "thick",
                        "semi cardboard",
                        "simple",
                        "thin",
                        "tinted",
                        "cotton"
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                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
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                    ]
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            ]
        },
        {
           "country": "Russian Republic",
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                {
                    "name": "Paper",
                    "material_type": [
                         "simple"
                    ],
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                    ]
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            ]
        },
        {
           "country": "RSFSR",
            "materials": [
                {
                    "name": "Paper",
                    "material_type": [
                         "simple",
                         "thick",
                         "thin"
                    ],
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                    ]
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            ]
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        {
            "country": "Russia",
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                {
                    "name": "Paper",
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                        "cardboard",
                        "tissue",
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                    "0,091-0.11 mm",
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                    ]
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                {
                    "name": "Coated paper",
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                        "thin",
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                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
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                    ]
                },
                {
                    "name": "Coated phosforescent paper",
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                        "simple",
                        "thin"
                    ],
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                    "0,051-0,07 mm",
                    "0,071-0.09 mm"
                    ]
                },
                {
                    "name": "Coated fluorescent paper",
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                        "simple",
                        "thin"
                    ],
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                    ]
                },
                {
                    "name": "Metal",
                    "material_type": [
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                        "Silver",
                        "Golden foil",
                        "Silver foil",
                        "Aluminum foil",
                        "Aluminum foil on a metallized substrate",
                        "Steel foil"
                    ],
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                        "0,01 mm",
                        "0,1 mm"
                    ]
                },
                {
                    "name": "Cloth",
                    "material_type": [
                        "Silk",
                        "Nylon"
                    ]
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            ]
        },
        {
            "country": "USSR",
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                {
                    "name": "Paper",
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                        "cardboard",
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                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
                    "> 0,13 mm"
                    ]
                },
                {
                    "name": "Coated paper",
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                        "cardboard",
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                        "semi cardboard",
                        "simple",
                        "thin",
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                        "cotton",
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                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
                    "> 0,13 mm"
                    ]
                },
                {
                    "name": "Coated phosforescent paper",
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                        "simple",
                        "thin",
                        "cotton"
                    ],
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                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm"
                    ]
                },
                {
                    "name": "Coated fluorescent paper",
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                        "simple",
                        "thin"
                    ],
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                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm"
                    ]
                },
                {
                    "name": "Color paper",
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                        "cotton",
                        "fibrous",
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                        "simple",
                        "thick",
                        "thin",
                        "self-adhesive",
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                    ],
                    "thickness": [
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                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
                    "> 0,13 mm"
                    ]
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                {
                    "name": "Tinted paper",
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                        "cotton",
                        "fibrous",
                        "semi cardboard",
                        "simple",
                        "thick",
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                        "self-adhesive",
                        "special with fluorescing fibres"
                    ],
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                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm",
                    "0,091-0.11 mm",
                    "0,111-0,13 mm",
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                    ]
                },
                {
                    "name": "Fluorescent paper",
                    "material_type": [
                        "cotton",
                        "fibrous",
                        "simple",
                        "thick",
                        "thin",
                        "self-adhesive"
                    ],
                    "thickness": [
                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm"
                    ]
                },
                {
                    "name": "Phosforescent paper",
                    "material_type": [
                        "cotton",
                        "fibrous",
                        "simple",
                        "thick",
                        "thin",
                        "self-adhesive"
                    ],
                    "thickness": [
                    "0,031-0,05 mm",
                    "0,051-0,07 mm",
                    "0,071-0.09 mm"
                    ]
                },
                {
                    "name": "Metal",
                    "material_type": [
                        "Gold",
                        "Silver",
                        "Golden foil",
                        "Silver foil",
                        "Aluminum foil",
                        "Aluminum foil on a metallized substrate",
                        "Steel foil"
                    ],
                    "thickness": [
                        "0,025 mm",
                        "0,01 mm",
                        "0,1 mm"
                    ]
                }
            ]
        }
    ]
}
